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construct/include/ircd/simd/print.h

87 lines
2.5 KiB
C++

// The Construct
//
// Copyright (C) The Construct Developers, Authors & Contributors
// Copyright (C) 2016-2020 Jason Volk <jason@zemos.net>
//
// Permission to use, copy, modify, and/or distribute this software for any
// purpose with or without fee is hereby granted, provided that the above
// copyright notice and this permission notice is present in all copies. The
// full license for this software is available in the LICENSE file.
#pragma once
#define HAVE_IRCD_SIMD_PRINT_H
namespace ircd::simd
{
struct print;
/// Print the contents of the vector in "register layout" which are
/// little-endian hex integer preceded by '0x' with each lane being
/// space-separated. The fmt argument is reserved to offer some additional
/// variations on the output format.
template<class T>
string_view
print_reg(const mutable_buffer &buf,
const T,
const uint &fmt = 0)
noexcept;
/// Print the contents of the vector in "memory layout" which are indice-
/// ordered hex values for each byte space-separated by lane. The fmt
/// argument is reserved to offer some additional variations on the output
/// format.
template<class T>
string_view
print_mem(const mutable_buffer &buf,
const T,
const uint &fmt = 0)
noexcept;
/// Print the contents of the vector as characters for each byte
/// space-separated by lane. The fmt argument is reserved to offer some
/// additional variations on the output format.
template<class T>
string_view
print_chr(const mutable_buffer &buf,
const T,
const uint &fmt = 0)
noexcept;
}
/// Print the contents of the vector to stdout; developer convenience.
/// One of the other functions in this suite must be selected by this
/// template to generate the desired string.
class ircd::simd::print
{
bool output(const mutable_buffer &, const string_view &, const bool lf);
public:
template<class T,
class F = decltype(print_mem<T>)>
print(const T,
F&& printer = print_mem<T>,
const uint &fmt = 0,
const bool &lf = true);
};
/// Developer convenience. Reference another print_*() in the template. All
/// arguments are passed thru.
template<class T,
class F>
inline
ircd::simd::print::print(const T vec,
F&& printer,
const uint &fmt,
const bool &lf)
{
thread_local char buf[1024];
const string_view str
{
printer(buf, vec, fmt)
};
const bool done
{
output(buf, str, lf)
};
}